diff --git a/custom-html-block-extension.php b/custom-html-block-extension.php
index 8f7ed8e..019d87b 100644
--- a/custom-html-block-extension.php
+++ b/custom-html-block-extension.php
@@ -4,7 +4,7 @@
  * Description: Extend Custom HTML block to evolve into the advanced code editor.
  * Requires at least: 6.2
  * Requires PHP: 7.4
- * Version: 3.3.2
+ * Version: 3.4.0
  * Author: Aki Hamano
  * Author URI: https://github.com/t-hamano
  * License: GPL2 or later
diff --git a/readme.txt b/readme.txt
index b55f4a2..f2ac2b9 100644
--- a/readme.txt
+++ b/readme.txt
@@ -4,7 +4,7 @@ Tags: gutenberg, block, html, highlighting, emmet
 Donate link: https://www.paypal.me/thamanoJP
 Requires at least: 6.2
 Tested up to: 6.3
-Stable tag: 3.3.2
+Stable tag: 3.4.0
 Requires PHP: 7.4
 License: GPLv2 or later
 License URI: https://www.gnu.org/licenses/gpl-2.0.html
@@ -68,6 +68,11 @@ Source: https://www.marksimonson.com/fonts/view/anonymous-pro
 
 == Changelog ==
 
+= 3.4.0 =
+* Tested to WordPress 6.4
+* Fix: Add media not work correctly on the classic editor
+* Drop support for WordPress 6.1
+
 = 3.3.2 =
 * Fix: Browser warning error in WordPress 6.3
 * Fix: User role settings are not applied to all editors